From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga09.intel.com ([134.134.136.24]:63289 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754808Ab0BCBVB (ORCPT ); Tue, 2 Feb 2010 20:21:01 -0500 From: To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Wey-Yi Guy Subject: [PATCH v2 1/1] mac80211: tear down all agg queues when restart/reconfig hw Date: Tue, 2 Feb 2010 17:17:31 -0800 Message-Id: <1265159851-20682-1-git-send-email-wey-yi.w.guy@intel.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Wey-Yi Guy When there is a need to restart/reconfig hw, tear down all the aggregation queues and let the mac80211 and driver get in-sync and have the opportunity to re-establish the aggregation queues. Signed-off-by: Wey-Yi Guy --- v2: add rcu_read_lock() --- net/mac80211/util.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index ca170b4..27e8833 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1188,6 +1188,16 @@ int ieee80211_reconfig(struct ieee80211_local *local) ieee80211_wake_queues_by_reason(hw, IEEE80211_QUEUE_STOP_REASON_SUSPEND); + rcu_read_lock(); + + if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { + list_for_each_entry_rcu(sta, &local->sta_list, list) { + ieee80211_sta_tear_down_BA_sessions(sta); + } + } + + rcu_read_unlock(); + /* * If this is for hw restart things are still running. * We may want to change that later, however. -- 1.5.6.3